10.1371/journal.pone.0017144.t002 Lorenzo Isella Lorenzo Isella Mariateresa Romano Mariateresa Romano Alain Barrat Alain Barrat Ciro Cattuto Ciro Cattuto Vittoria Colizza Vittoria Colizza Wouter Van den Broeck Wouter Van den Broeck Francesco Gesualdo Francesco Gesualdo Elisabetta Pandolfi Elisabetta Pandolfi Lucilla Ravà Lucilla Ravà Caterina Rizzo Caterina Rizzo Alberto Eugenio Tozzi Alberto Eugenio Tozzi Characteristics of the study sample in terms of classes and number of contacts. Public Library of Science 2011 classes 2011-02-28 01:31:01 Dataset https://plos.figshare.com/articles/dataset/_Characteristics_of_the_study_sample_in_terms_of_classes_and_number_of_contacts_/465461 <p>The total number of daily contacts measured per class is the sum of all contacts established by individuals in that class. The number of daily contacts per participant is the median value of the number of contacts , with <i>i</i> belonging to the given class.</p>